Home / 3,442.22-4,752.51-2,396.78

Finding the Fourth Proportional to 3,442.22, 4,752.51 and 2,396.78

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Solution

The fourth proportional to 3,442.22, 4,752.51 and 2,396.78 is: 3,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.22 : 4,752.51 = 2,396.78 : x
  2. Step 2: Convert to fraction form
    3,442.22/4,752.51 = 2,396.78/x
  3. Step 3: Cross multiply
    3,442.22x = 4,752.51 × 2,396.78
  4. Step 4: Simplify right side
    3,442.22x = 11,390,720.92
  5. Step 5: Solve for x
    x = 11,390,720.92/3,442.22
  6. Step 6: Final answer
    x = 3,309.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.